Home / 12,079,115.28-18,118,672.84-4,403,335.76

Finding the Fourth Proportional to 12,079,115.28, 18,118,672.84 and 4,403,335.76

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Solution

The fourth proportional to 12,079,115.28, 18,118,672.84 and 4,403,335.76 is: 6,605,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,115.28 : 18,118,672.84 = 4,403,335.76 : x
  2. Step 2: Convert to fraction form
    12,079,115.28/18,118,672.84 = 4,403,335.76/x
  3. Step 3: Cross multiply
    12,079,115.28x = 18,118,672.84 × 4,403,335.76
  4. Step 4: Simplify right side
    12,079,115.28x = 79,782,600,040,112.75
  5. Step 5: Solve for x
    x = 79,782,600,040,112.75/12,079,115.28
  6. Step 6: Final answer
    x = 6,605,003.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.